Why doesn't it work? And about this you just posted, it is overused man, don't use it because every forum uses this theme. Try to find a theme which is not overused so you can make your forum's appearance unique.
EPIC FAIL
ένας προσπάθησε να βάλει εικόνα σαν signature και κοιτάξτε τι path έχει:
['img']http://C:/ProgramFiles/pic0001.jpg['/img']
You just failed dude!